Questions tagged [road-vehicles]

Use this tag for question about cars, trucks and other road transport.

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8 votes
2 answers
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Is the self-driving car technology of 2017 less lethal than human drivers?

Youtube channel veritasium, on a video called "The real moral dilemma of self-driving cars" (ref) claims that if all cars in 2017 were self-driving, hundreds of lives could be saved. So he is claming ...
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  • 3,289
5 votes
1 answer
2k views

Is it possible to disable a vehicle with microwave oven magnetron from that distance

In a well-known Youtube channel there is a scene where a scooter had some kind of short circuit caused by magnetron used as a weapon from a distance. I never saw this channel to have fakes but one guy ...
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  • 153
11 votes
1 answer
2k views

Can Doom run on a car's infotainment system?

In this youtube video a hacker claims it is easily possible to mod the infotainment system in his Porsche to run the game Doom using the controls of his car to control the game. This Gizmodo/Sploid ...
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6 votes
1 answer
518 views

Are Silvester (New Year's Eve) fireworks as pollutive as cars in one year?

In my local newspaper, the Salzburger Nachrichten, there was the following article to be found on 31st of December, 2016: Guten Rutsch - krach, bumm! Hell wird es wieder sein am Nachthimmel und schön ...
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2 votes
1 answer
512 views

Does using a neck brace reduce damage taken in a car crash?

In the movie Focus, you can find this scene, where a man puts on a neck brace, before crashing into another car, and this same guy seems to be the only one unscathed. I know movies tend to portray ...
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  • 629
17 votes
1 answer
1k views

Do Chevrolet commercials feature "Real people. Not actors."?

Many Chevrolet commercials I have seen in the past few years have started off with the disclaimer: "Real People. Not Actors". They have several of these commercials such as this one and that one. ...
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  • 1,965
7 votes
1 answer
3k views

What is the real history behind of the Ford GAA engine?

I have been searching for quite some time trying to find out if what I have heard is true with the history of how the Ford GAA engine came to be. (Note: this site has some errors, such as its ...
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  • 362
7 votes
0 answers
565 views

Can aspirin revive a flat car battery?

I just read this article on The Reader's Digest which writes to say If you get behind the wheel only to discover that your car’s battery has given up the ghost — and there’s no one around to ...
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  • 639
8 votes
1 answer
882 views

Did DUI fatalities increase or decrease due to legalization of marijuana?

I've seen conflicting articles claiming that DUI fatalities either increased or decreased after states legalized marijuana. Here are two samples, though there are many articles out there; "Since ...
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  • 9,608
14 votes
0 answers
356 views

Did unrestricted speed limits lead to fewer deaths in the Northern Territory of Australia?

Drive reports that a section of highway in the Northern Territory has has been switched back and forth between no speed limit, and 130 km/h speed limits over the past decade or so, with some dispute ...
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  • 133k
15 votes
2 answers
691 views

Does 80-90% of the environmental and health damage a car causes come from manufacturing?

Claim from the video The First 3D-Printed Supercar: How we make them [cars] is much more important than how we fuel them and whether they have a tailpipe or not. 80 to 90 percent or more of the ...
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11 votes
3 answers
2k views

Do women pay more than men when buying cars?

In the recent Bud Light commercial, Amy Schumer makes many claims regarding gender equality. One of these claims is that women pay more than men when buying cars. Here's a link to said video. Is this ...
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10 votes
0 answers
370 views

Do trains/boats/planes involved in accidents have a lower occupancy?

This Article from the daily mail makes some interesting (and rather ludicrous) claims, but one stuck out to me specifically. The article argues that higher cancellation rates/lower occupancy on ...
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6 votes
0 answers
521 views

Do strobes on top of school buses improve safety?

Background In many states of the USA, school buses are fitted with a "roof-mounted strobe". In some states, they are required by law: Mike Simmons, state director in Arkansas, says that the ...
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26 votes
2 answers
6k views

Are recent claims from India of a car fueled by water and calcium carbide legitimate?

Recently, I came across a video and a news report where it has been reported that a man from India has invented a car which uses water as a key fuel component. The car runs on acetylene gas produced ...
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7 votes
1 answer
540 views

Was there a time when the RSL banned Japanese cars from their carparks?

From Prime Minister - Address at CEDA's 2014 State of the Nation Conference, Parliament House, Canberra Prime Minister Menzies for instance opened up trade with Japan at a time when Japanese cars ...
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6 votes
0 answers
377 views

Was a self-driving car pulled over by police for the first time last month (November 2015)?

I read in this Bloomberg article Google cars have been in 17 minor crashes in 2 million miles (3.2 million kilometers) of testing. [...] Ten days later, a Mountain View motorcycle cop noticed traffic ...
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11 votes
1 answer
688 views

Does an e-bike produces only 1/10 carbon emissions for each mile of an conventional electric car?

According to Lin, Bo (Deputy General Director at Furi E-Bike1): he says the following in an interview in the program Horizons from WOBI: Bicycles to lead acid battery generates some pollution. The ...
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7 votes
1 answer
843 views

Can all new gasoline vehicles run on E85 ethanol-based fuel?

From the the documentary Pump at 1:07: NARRATOR: But what if we don't need a flex fuel car or even a kit? What if the car you drive today already contained the technology that could enable it to ...
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18 votes
1 answer
629 views

Is widespread adoption of the electric car unlikely due to lithium scarcity?

Although lithium is very abundant in sea water, only lithium mineral extraction seems to be economically viable. The world's total reserves in lithium minerals is estimated at 13.5 Mt (not sure ...
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0 votes
0 answers
27 views

Does leaving the fan on during an RV a/c cycle time save energy? [duplicate]

When running an RV a/c during the summer, is it more energy-efficient to let the fan run while the compressor is cycling? Does it cause more wear and tear? Does it even matter if you allow the fan to ...
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8 votes
3 answers
307 views

How effective are reflectors at preventing pedestrian deaths?

http://www.safetyreflectors.com/education.html has some claims about reflectors: Studies have proven that the risk of being hit by a motorist in the dark is eight times lower when wearing a safety ...
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5 votes
0 answers
589 views

Does an old car with engine turned off pollute more than a new car going 60 mph? [closed]

On the show Real Time with Bill Maher (Jan 9, 2015), Jay Leno (a guy that seems knowledgeable about cars) made this very interesting statement 37 minutes in: A 1977 Ford Galaxy, one of those big ...
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12 votes
1 answer
748 views

Is driving stoned safer than driving drunk?

Some support that driving while under the influence of marijuana is safer than driving when drunk, saying that people who drive high always drive at slower speeds so even if they cause an accident, it'...
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3 votes
0 answers
316 views

Do I need to wait for my car to warm up before driving off? [duplicate]

I heard many times from friends that after starting up the engine of a car you have to wait a few minutes for it to warm up before driving off. I also heard that this only applies to engines that ...
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17 votes
3 answers
2k views

Do electric cars create more fine dust pollution than comparable petrol cars?

According to this Flanders Today (a local Belgian newspaper) article a new small car on petrol in the city creates less fine dust than an electric car of average size. The researcher, Bruno Van ...
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  • 297
3 votes
1 answer
777 views

How many pedestrians die a year in NYC from being hit by a car?

In researching my other question, I found a hard time getting all the sources of numbers of deaths to agree with each other. Some of the numbers I found are as follows: 168 pedestrians and 10 ...
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  • 4,940
8 votes
1 answer
328 views

Would lowering the speed limit in NYC by 5mph lower the number of pedestrian deaths by a factor of 2?

According to the Mayor of New York City, De Blasio: (my emphasis) Excessive speed contributes to 25 percent of roadway fatalities on New York City Streets and is the leading cause of motor vehicle ...
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  • 4,940
5 votes
1 answer
284 views

Did Volkswagen, Chrysler and/or GM cut diesel tailpipe emissions by ~99% over a decade?

This article, dated Jan 5, 2014, makes a rather vague claim that Companies such as Volkswagen AG, Chrysler Group and General Motors have invested billions to make that happen, outfitting vehicles ...
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  • 15.4k
13 votes
1 answer
3k views

Do Jet Skis produce in an hour equivalent pollution to 100,000km of a new/small car?

I recall this claim being published in a newspaper a while back but time has buried it in the Interwebs, though it does come up from time to time as e.g. Driving a jet ski for one hour will produce ...
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4 votes
0 answers
366 views

Is there a viable design for a thorium car that can run for 100 years without being refueled?

This article and included video from Young Turks claims that Laser Power Systems has produced a "concept for a car" which can run for 100 years on 8 grams of thorium without needing t be refueled. ...
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6 votes
1 answer
705 views

Is using a phone while driving more dangerous than driving while drunk?

There have been numerous studies that show how using a phone while driving is more distracting than other non-driving tasks and even worse than driving while intoxicated. Here was a study done in the ...
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  • 235
30 votes
1 answer
1k views

Is gearing down more energy efficient than braking?

When spotting a red light or similar, I often release the gas pedal, gear down and let the engine decelerate instead of pressing the brake pedal. I was taught that this was more energy efficient for ...
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12 votes
1 answer
10k views

Are there lots worldwide filled with thousands of unsold new cars left to ruin?

This link came in an email that was getting passed around the office today: http://www.vincelewis.net/unsoldcars.html The premise is that car manufacturers, not wanting to dilute their inventory to ...
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  • 231
14 votes
1 answer
7k views

Is a car's fuel consumption increased when the headlights are on?

I have read in many sites that a car with lights on will consume more fuel that with lights off. The (hand-waving) justifications that I see tend to mention that "energy has to come from somewhere" ...
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3 votes
0 answers
485 views

Do car theft victims have to pay around 1,000 USD to have their cars returned in the US?

This Yahoo! news article says: The 30-year-old’s 2000 Monte Carlo was stolen from in front of his mother’s house last summer. Finally, several months later, Williams was told that his car had ...
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2 votes
0 answers
117 views

Can a car run on water? As per this experiment [duplicate]

The Agha Waqar's car that ran on water was a great news for a long time. Where a Pakistan based inventor invented a car that got all the power from water. He was using a water kit to get the energy. ...
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18 votes
2 answers
6k views

Did the US ban the Volkswagen XL1 for being too fuel efficient?

There are dozens of articles similar to this one floating around claiming the new Volkswagen XL1, which can get 300+ MPG (0.78 L/100 km) in ideal driving conditions, has been banned in the USA because ...
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  • 291
16 votes
3 answers
1k views

Does lowering speed limits by 10 km/h have any impact on air pollution?

Europe has been under exceptional sunlight for the past ten days, cf. Eumetsat's picture. According to French media, this prevents smog from escaping major hubs. In an attempt to reduce this air ...
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  • 1,383
26 votes
2 answers
9k views

Have more people been killed by automobiles than by all wars combined?

I read this claim somewhere recently, and a google search shows that it's occasionally made around the web, but was perhaps more common in the 1970's (many of the stories I find online are people ...
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7 votes
1 answer
636 views

Do directional tread patterns on tires reduce hydroplaning?

Treaded car tires are said to be better at avoiding hydroplaning than smooth tires (slicks) in the rain. In particular, directional treads are thought to be the best. The following is an example of ...
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  • 71
20 votes
1 answer
4k views

Did Lyndon Johnson have an amphibious car?

I came across an info graphic that says that former U.S. president Lyndon B. Johnson had an amphibious car and would drive guests into the lake while screaming about the brakes. Is this true?
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  • 10.4k
10 votes
1 answer
944 views

Are pets as bad for environment as cars?

In this article referring to a book the authors claim: Taking the dog for a walk to the store would seem like a more environmentally-friendly option than piling into the SUV. Not so, say two ...
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  • 3,759
19 votes
1 answer
560 views

Does a start-stop system for a combustion engine pay off?

A start-stop system stops the engine when the car comes to a halt, for example, in front of a traffic light or during a traffic jam. The engine automatically restarts when pressing the clutch or the ...
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  • 1,001
8 votes
1 answer
2k views

Did the Paul Walker crash happen at ~45 mph speed?

Heavy.com report that the car crash that killed actor Paul Walker was at about 40-45 miles per hour (64-72 km/h). They cite an NBCNews tweet: Update: Paul Walker was not drag racing at time of ...
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22 votes
2 answers
2k views

Did Jean-Claude Van Damme do a suspended split between two trucks?

This Volvo Trucks ad shows actor and martial artist, Jean-Claude Van Damme, performing a suspended split between two moving trucks, driving in reverse. I tend to think that what we see in the video ...
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13 votes
0 answers
332 views

Is there a high ecological impact from buying a new car?

First, a disclaimer: this is my first question here, so please point out any deficiency so I can amend it. Here in Italy, the Government has a recurring policy (it is happening every 2/3 years now) ...
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32 votes
1 answer
5k views

Did 9/11 lead to many deaths due to car accidents "dwarfing" the attacks themselves?

Well-renowned security expert Bruce Schneier claims that In the months after 9/11, so many people chose to drive instead of fly that the resulting deaths dwarfed the deaths from the terrorist ...
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  • 78k
-2 votes
1 answer
852 views

Does HONDA have a model called CBR 660RR?

http://www.sagmart.com/news/Automobiles/honda-is-going-to-reveal-its-new-bike-cbr-600rr-this-december The design of this new CBR is awesome; you surely skip a beat when it passes through the way. ...
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20 votes
2 answers
3k views

Does marijuana impair driving?

Is the use of cannabis/marijuana/THC associated with risks when driving a motor vehicle, similar to impairment from the use of alcohol? The conclusions of public studies seem inconsistent. For example,...
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